对醋酸乙烯聚合反应原理作了简介。
Reaction mechanism was studied and reaction principles to polymerize vinyl acetate were also introduced briefly.
为研究阴离子聚合引发剂萘锂络合物是否可引发自由基聚合,进行了萘锂络合物引发醋酸乙烯聚合的实验。
To study the radical character of naphthalene lithium, which is a classical anionic initiator, the polymerization of vinyl acetate was initiated by it.
聚乙烯醋酸乙烯酯(EVA)为主体聚合物的石蜡基粘结剂在金属注射成形技术中得到了广泛的应用。
Paraffin-based binders in which EVA is the main polymer are broadly applied to the technology of Metal Injection Molding.
本论文采用乳液聚合的方法合成了聚醋酸乙烯树脂,并通过加入硬单体—甲基丙烯酸甲酯对其进行改性。
The method of emulsion polymerization was used to synthesize polyvinyl acetate resin by adding hard monomer_methyl methacrylate to modify it.
研究了乳液聚合聚醋酸乙烯酯对二羟基乙二肟的包覆。
Dihydroxyglyoxime (DHG) particles were coated in emulsion solutions of polyvinyl acetate.
以聚偏氟乙烯(PVDF)为第二组分聚合物与三醋酸纤维素(CTA)共混,通过冻胶法纺丝工艺制备成中空纤维纳滤膜。
Hollow fiber NF membrane was prepared with blending of PVDF as the second component polymer and CTA, and by spinning process with gelation method.
本文研究了氯乙烯—醋酸乙烯—丙烯酸酯三元悬浮共聚合反应中分散剂体系对树脂颗粒形态及溶解性能的影响。
The effect of dispersant systems in Vinyl Chloride-Vinyl acetateAcrylate suspension copolymerization on the resin particle shape and solubility have been studied.
研究了醋酸乙烯酯与丙烯酸2 羟基乙酯共聚的合成路线,通过乳液聚合所制得的共聚产物可有效地改善聚醋酸乙烯酯的耐水性能与粘接性能;
The copolymerization of vinyl acetate(VAc) and 2-hydroxy ethyl acrylate(HEA) was carried out. The copolymerization improved the water-resistance and bonding performances of vinyl-acetate adhesive.
研究了以聚乙烯醇为保护胶体的醋酸乙烯乳液聚合中,作为保护胶体的聚乙烯醇与醋酸乙烯的接枝反应。
The grafting reaction of vinyl acetate with polyvinyl alcohol which was regarded as the protecting colloid in the emulsion polymerization of vinyl acetate was investigated in this paper.
以丙烯酸 2 -乙基己酯与醋酸乙烯酯为单体 ,采用悬浮聚合法 ,以单体自交联制得高吸油性树脂。
The high oil-absorption resin of copolymer of vinyl acetate and (2-ethylhexyl) acrylate was prepared by suspension polymerization with self-crosslinking.
醋酸乙烯经聚合反应生成聚醋酸乙烯。
Generated by the polymerization of vinyl acetate polyvinyl acetate.
考察含药层促渗聚合物、乳糖用量、助推层聚氧乙烯用量、助推层氯化钠用量及包衣液中含水量、醋酸纤维素浓度对释放度的影响,并对处方进行优化。
Effects of formulation of drug layer, push layer and membrane on the release behavior of controlled release tablets were investigated and the optimal formulation was obtained.
考察含药层促渗聚合物、乳糖用量、助推层聚氧乙烯用量、助推层氯化钠用量及包衣液中含水量、醋酸纤维素浓度对释放度的影响,并对处方进行优化。
Effects of formulation of drug layer, push layer and membrane on the release behavior of controlled release tablets were investigated and the optimal formulation was obtained.
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